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February 1st 2018
With the integration of membranes in fluidized bed reactors a large extent of process intensification can be achieved, especially for the production of ultra-pure hydrogen. However, the integration of membranes and their configuration, as well as the effect of permeation of gas through the membranes influence  the fluidization behaviour significantly. This is particularly important in view of the extremely high permeation fluxes that can be reached nowadays with the latest ultra-thin film supported Pd-based hydrogen membranes and the resulting concentration polarization.
January 25th 2018
Mathematical models of dynamical systems become increasingly complex as a consequence of increasing requirements on technical specifications and technological improvements. Techniques for model-based system design and model based control design therefore need to cope with high levels of complexity of mathematical models. This presentation highlights a number of techniques and research challenges to reduce complexity of mathematical models while retaining well defined levels of accuracy or properties of the model.
January 18th 2018
We have far more oil, coal and gas than we can safely burn. Tackling global warming implies that we must leave most of our fossil reserves in the ground. This will require a completely different way of running our economy, shifting away from liquid fuels for mobility and deriving our chemicals and materials as much as possible from renewable resources. I will discuss the challenges and opportunities that arise from these changes and the enabling role that catalysis can play in the energy transition using examples of our own research.
January 11th 2018
Illumination of a slurry of (micrometer sized) semiconductor particles in an aqueous phase solution of a metal salt, often results in deposition of well-defined metal(oxide) nanoparticles on the surface of the semiconductor particles: this phenomenon is generally known as photodeposition. In this lecture I will discuss the effect of process conditions, focusing on the role of a so-called sacrificial donor, on the oxidation state and morphology of Pt nanoparticles which are obtained when using photodeposition.
December 12th 2017
Strong presentation skills are a key to success for engineers, scientists, and others, yetmany speakers are at a loss to tackle the task. Systematic as they otherwise can be in their work, they go at it intuitively or haphazardly, with much good will but seldom good results. In this talk, Dr Doumont proposes a systematic way to prepare and deliver an oral presentation: he covers structure, slides, and delivery, as well as stage fright.